diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 88fdace..1698621 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -43,6 +43,20 @@ jobs:
         cache: 'pip'
         cache-dependency-path: 'pyproject.toml'
 
+    # Needed for `pueblo.ngr`.
+    - name: Set up Java
+      uses: actions/setup-java@v3
+      with:
+        distribution: "temurin"
+        java-version: "17"
+
+    # Needed for `pueblo.ngr`.
+    - name: Set up Ruby
+      uses: ruby/setup-ruby@v1
+      with:
+        ruby-version: "3.2"
+        bundler-cache: true
+
     - name: Set up project
       run: |
 
diff --git a/tests/ngr/rust/Cargo.toml b/tests/ngr/rust/Cargo.toml
index 97f8360..26234f6 100644
--- a/tests/ngr/rust/Cargo.toml
+++ b/tests/ngr/rust/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "rust"
 version = "0.0.1"
-edition = "2023"
+edition = "2015"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
diff --git a/tests/test_ngr.py b/tests/test_ngr.py
index f7cd099..95de1aa 100644
--- a/tests/test_ngr.py
+++ b/tests/test_ngr.py
@@ -44,7 +44,7 @@ def test_ngr_sample(sample: Path):
 
     result = runner.invoke(
         pueblo.ngr.cli,
-        args=f"test tests/{sample}",
+        args=f"test --accept-no-venv tests/{sample}",
         catch_exceptions=False,
         prog_name=PROGRAM_NAME,
     )